Use the periodic table in the tools bar to complete the electron configurations for the following elements: Lithium (Li) : 1sA2sB

Which actions would increase the rate at salt dissolves in water □ stir the water □ crush the salt □ use less water □ heat the water □cool the salt

According to one acid-base theory, a water molecule acts as a base when it accepts (1) an H + ion (3) a neutron (2) an OH - ion (4) an electron

If 0.0714 moles of N2 gas occupies 1.25 L space, how many moles of N2 have a volume of 25.0 L? Assume temperature and pressure stayed constant.

Analysis of a compound indicates that it contians 1.04 g K, 0.70 g Cr, and 0.86 g O. Find its empirical formula.

Accuracy is defined as how close a measured value comes to a fixed value core value true value the measured values are to one another Precision is defined as how accurate common O reproducible

Barium-131 is a radioactive isotope of the element barium used for gastrointestinal tract scans in doctors offices. Barium-131 has a half-life of 10 days.

The name for Na2 O in chemistry

What is the simplest alkane

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What are some reasons why the research should be put through a peer-review process?